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<?php
namespace Amp\Sync;
use Amp\Promise;
/**
* A thread-safe, asynchronous mutex using the pthreads locking mechanism.
*
* Compatible with POSIX systems and Microsoft Windows.
*
* @deprecated ext-pthreads development has been halted, see https://github.com/krakjoe/pthreads/issues/929
*/
class ThreadedMutex implements Mutex
{
/** @var Internal\MutexStorage */
private $mutex;
/**
* Creates a new threaded mutex.
*/
public function __construct()
{
$this->mutex = new Internal\MutexStorage;
}
/**
* {@inheritdoc}
*/
public function acquire(): Promise
{
return $this->mutex->acquire();
}
}